Which is an example of a survey
o
a collecting the cholesterol readings of a group of individuals of a
certain age group in a small town
o
b
finding out the number of burglaries of a residential neighborhood
in each month for the police department
o
testing the effectiveness of a hair product by allowing one group
to use it and comparing results against a control group
o
interviewing college students to find what percentage expects a
job immediately after graduation